Date: Sat, 10 Dec 2016 13:30:16 +0000 (UTC) From: Andriy Voskoboinyk <avos@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r309806 - head/sys/dev/usb/wlan Message-ID: <201612101330.uBADUGkn063998@repo.freebsd.org>
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Author: avos Date: Sat Dec 10 13:30:16 2016 New Revision: 309806 URL: https://svnweb.freebsd.org/changeset/base/309806 Log: rsu: add TSF field into Rx radiotap. Tested with Asus USB-N10. Modified: head/sys/dev/usb/wlan/if_rsu.c head/sys/dev/usb/wlan/if_rsureg.h Modified: head/sys/dev/usb/wlan/if_rsu.c ============================================================================== --- head/sys/dev/usb/wlan/if_rsu.c Sat Dec 10 13:29:51 2016 (r309805) +++ head/sys/dev/usb/wlan/if_rsu.c Sat Dec 10 13:30:16 2016 (r309806) @@ -234,6 +234,8 @@ static void rsu_rx_multi_event(struct rs static int8_t rsu_get_rssi(struct rsu_softc *, int, void *); static struct mbuf * rsu_rx_copy_to_mbuf(struct rsu_softc *, struct r92s_rx_stat *, int); +static uint32_t rsu_get_tsf_low(struct rsu_softc *); +static uint32_t rsu_get_tsf_high(struct rsu_softc *); static struct ieee80211_node * rsu_rx_frame(struct rsu_softc *, struct mbuf *, int8_t *); static struct mbuf * rsu_rx_multi_frame(struct rsu_softc *, uint8_t *, int); @@ -2223,6 +2225,18 @@ fail: return (NULL); } +static uint32_t +rsu_get_tsf_low(struct rsu_softc *sc) +{ + return (rsu_read_4(sc, R92S_TSFTR)); +} + +static uint32_t +rsu_get_tsf_high(struct rsu_softc *sc) +{ + return (rsu_read_4(sc, R92S_TSFTR + 4)); +} + static struct ieee80211_node * rsu_rx_frame(struct rsu_softc *sc, struct mbuf *m, int8_t *rssi_p) { @@ -2254,6 +2268,12 @@ rsu_rx_frame(struct rsu_softc *sc, struc /* Map HW rate index to 802.11 rate. */ tap->wr_flags = 0; /* TODO */ + tap->wr_tsft = rsu_get_tsf_high(sc); + if (le32toh(stat->tsf_low) > rsu_get_tsf_low(sc)) + tap->wr_tsft--; + tap->wr_tsft = (uint64_t)htole32(tap->wr_tsft) << 32; + tap->wr_tsft += stat->tsf_low; + if (rate < 12) { switch (rate) { /* CCK. */ Modified: head/sys/dev/usb/wlan/if_rsureg.h ============================================================================== --- head/sys/dev/usb/wlan/if_rsureg.h Sat Dec 10 13:29:51 2016 (r309805) +++ head/sys/dev/usb/wlan/if_rsureg.h Sat Dec 10 13:30:16 2016 (r309806) @@ -51,6 +51,9 @@ #define R92S_MACID (R92S_MACIDSETTING + 0x000) #define R92S_MAR (R92S_MACIDSETTING + 0x010) +#define R92S_TIMECTRL 0x0080 +#define R92S_TSFTR (R92S_TIMECTRL + 0x000) + #define R92S_SECURITY 0x0240 #define R92S_CAMCMD (R92S_SECURITY + 0x000) #define R92S_CAMWRITE (R92S_SECURITY + 0x004) @@ -592,7 +595,7 @@ struct r92s_rx_stat { #define R92S_RXDW3_HTC 0x00004000 uint32_t rxdw4; - uint32_t rxdw5; + uint32_t tsf_low; } __packed __aligned(4); /* Rx PHY descriptor. */ @@ -735,6 +738,7 @@ static const uint8_t rsu_qid2idx_11ep[] struct rsu_rx_radiotap_header { struct ieee80211_radiotap_header wr_ihdr; + uint64_t wr_tsft; uint8_t wr_flags; uint8_t wr_rate; uint16_t wr_chan_freq; @@ -743,7 +747,8 @@ struct rsu_rx_radiotap_header { } __packed __aligned(8); #define RSU_RX_RADIOTAP_PRESENT \ - (1 << IEEE80211_RADIOTAP_FLAGS | \ + (1 << IEEE80211_RADIOTAP_TSFT | \ + 1 << IEEE80211_RADIOTAP_FLAGS | \ 1 << IEEE80211_RADIOTAP_RATE | \ 1 << IEEE80211_RADIOTAP_CHANNEL | \ 1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL)
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